Why on earth do so many folks point to Amazon, eBay et al for components? God only knows what quality they are - odds are, not the best...
There are plenty of real component distributors in the world such as Mouser, DigiKey, Newark, etc. that sell top-quality components made by trustworthy manufacturers and sold at a very decent price.
Stuff from Amazon et al are so cheap for a very good reason...
Well, mostly because we don't have access otherwise. I live in a fairly populated area and to this day, after 8 years, I can't find anyone that will supply or fix small electronics. Just sad, but, on the other hand its forced me to learn how to diy